Last week police footage went viral of an incident that happened at New Jersey beach. In the video, a 20-year-old woman, Emily Weinman, was punched in the head several times by a police officer while being arrested. The officer’s justification was that Weinman was resisting arrest. Should an officer really need to strike a small woman that is of no real threat? The situation arose from an apparent minor in possession charge, which makes one wonder if escalation and physical force were really required. Those that religiously defend police will tell you that incidents like these are isolated....